M:tG card similarity search
3R · Enchantment
At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.
| Name | Mana | Type | Text |
|---|---|---|---|
| Splatter Goblin | 1B | Creature — Phyrexian Goblin | When Splatter Goblin dies, target creature an opponent controls gets -1/-1 until end of turn. 2/1 |
| Growth Cycle | 1G | Instant | Target creature gets +3/+3 until end of turn. It gets an additional +2/+2 until end of turn for each card named Growth Cycle in your graveyard. |
| Bag End Porter | 3G | Creature — Dwarf | Whenever Bag End Porter attacks, it gets +X/+X until end of turn, where X is the number of legendary creatures you control. 4/4 |
| Lord of the Ulvenwald | Creature — Werewolf | Other Wolves and Werewolves you control get +1/+1. Whenever Lord of the Ulvenwald attacks, add {R} or {G}. Until end of turn, you don't lose this mana as steps and phases end. Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) 3/3 | |
| Gerrard's Command | GW | Instant | Untap target creature. It gets +3/+3 until end of turn. |
| Inspirit | 2W | Instant | Untap target creature. It gets +2/+4 until end of turn. |
| Ornamental Courage | G | Instant | Untap target creature. It gets +1/+3 until end of turn. |
| Tangleweave Armor | 2GG | Artifact — Equipment | Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +X/+X, where X is the greatest mana value among your commanders. Equip {4} |
| Shields of Velis Vel | W | Tribal Instant — Shapeshifter | Changeling (This card is every creature type.) Creatures target player controls get +0/+1 and gain all creature types until end of turn. |
| Adamant Will | 1W | Instant | Target creature gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) |